Home / 45,212.56-67,811.09-11,932.98

Finding the Fourth Proportional to 45,212.56, 67,811.09 and 11,932.98

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Solution

The fourth proportional to 45,212.56, 67,811.09 and 11,932.98 is: 17,897.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,212.56 : 67,811.09 = 11,932.98 : x
  2. Step 2: Convert to fraction form
    45,212.56/67,811.09 = 11,932.98/x
  3. Step 3: Cross multiply
    45,212.56x = 67,811.09 × 11,932.98
  4. Step 4: Simplify right side
    45,212.56x = 809,188,380.75
  5. Step 5: Solve for x
    x = 809,188,380.75/45,212.56
  6. Step 6: Final answer
    x = 17,897.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.